10, 0, 491520, 0x68ff12c0 20, 3000, 491520, 0x22d36f0d 30, 6000, 491520, 0xce6f877d 40, 9000, 491520, 0x85d6744c 50, 12000, 491520, 0x1aa85794 60, 15000, 491520, 0x528d1274 70, 18000, 491520, 0x357ec61c 8